File:Patent-FR-799290.pdf
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Dettagli
Inventor |
Robert Jean Jacques Hallauer |
---|---|
Assignee |
Robert Jean Jacques Hallauer |
Country |
FR |
Application N° |
799290 |
Application Date |
1935-12-13 |
Patent N° |
799290 |
Brevettato |
1936-06-10 |
Priorità |
1935-12-13 |
Brand | |
Title |
Perfectionnements aux porte-mines à mines interchangeables |
Description |
Matita meccanica |
Riferimenti esterni
Informazioni
Brevetto per una matita meccanica. Assegnato alla Edacoto per comprovata relazione dell'inventore con la ditta.
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current | 22:42, 5 April 2021 | ![]() | 1,296 × 1,754, 4 pages (226 KB) | Piccardi (talk | contribs) | {{PatentInfo |Inventor=Robert Jean Jacques Hallauer |Assignee=Robert Jean Jacques Hallauer |Country=FR |ApplicationNum=799290 |ApplicationDate=1935-12-13 |PatentNum=799290 |PatentDate=1936-06-10 |PriorityDate=1935-12-13 |Titolo=Perfectionnements aux po... |
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